1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // Rich advanced example for Geant4 |
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27 | // RichTbMaterial.cc for Rich of LHCb |
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28 | // History: |
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29 | // Created: Sajan Easo (Sajan.Easo@cern.ch) |
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30 | // Revision and changes: Patricia Mendez (Patricia.Mendez@cern.ch) |
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31 | ///////////////////////////////////////////////////////////////////////////// |
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32 | #include <iostream> |
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33 | #include <cmath> |
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34 | #include "globals.hh" |
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35 | #include "RichTbMaterial.hh" |
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36 | #include "G4Isotope.hh" |
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37 | #include "G4Element.hh" |
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38 | #include "G4ElementTable.hh" |
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39 | #include "G4Material.hh" |
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40 | #include "G4MaterialTable.hh" |
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41 | #include "G4UnitsTable.hh" |
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42 | |
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43 | #include "G4OpticalSurface.hh" |
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44 | #include "G4LogicalBorderSurface.hh" |
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45 | #include "G4LogicalSkinSurface.hh" |
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46 | #include "G4OpBoundaryProcess.hh" |
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47 | #include "RichTbMaterialParameters.hh" |
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48 | #include "RichTbGeometryParameters.hh" |
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49 | #include "G4MaterialPropertyVector.hh" |
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50 | |
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51 | |
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52 | RichTbMaterial::RichTbMaterial(RichTbRunConfig* RConfig): |
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53 | RichTbAerogelMaterial(std::vector<G4Material*> (MaxNumberOfAerogelTypes)), |
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54 | RichTbFilterMaterial(std::vector<G4Material*>(MaxNumberOfFilterTypes)){ |
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55 | |
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56 | rConfig=RConfig; |
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57 | |
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58 | G4double a,z,density; //a=mass of a mole; |
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59 | // z=mean number of protons; |
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60 | G4String name,symbol; |
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61 | //G4int isz,isn; //isz= number of protons in an isotope; |
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62 | //isn= number of nucleons in an isotope; |
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63 | |
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64 | |
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65 | G4int numel,natoms; //numel=Number of elements constituting a material. |
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66 | G4double fractionmass; |
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67 | G4double temperature, pressure; |
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68 | // G4double FactorOne=1.0; |
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69 | G4UnitDefinition::BuildUnitsTable(); |
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70 | |
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71 | //PhotonEnergy |
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72 | G4int ibin=0; |
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73 | G4double PhotonEnergyStep=(PhotonMaxEnergy-PhotonMinEnergy)/ |
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74 | NumPhotWaveLengthBins; |
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75 | G4double* PhotonMomentum=new G4double[NumPhotWaveLengthBins]; |
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76 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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77 | PhotonMomentum[ibin]=PhotonMinEnergy+PhotonEnergyStep*ibin; |
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78 | } |
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79 | |
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80 | G4cout << "\nNow Define Elements ..\n" <<G4endl; |
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81 | |
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82 | // Nitrogen |
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83 | |
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84 | a=14.01*g/mole; |
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85 | G4Element* elN = new G4Element(name="Nitrogen", |
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86 | symbol="N", z=7., a); |
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87 | |
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88 | //Oxygen |
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89 | |
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90 | a=16.00*g/mole; |
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91 | G4Element* elO = new G4Element(name="Oxygen", |
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92 | symbol="O", z=8., a); |
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93 | |
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94 | //Hydrogen |
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95 | |
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96 | a=1.01*g/mole; |
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97 | G4Element* elH = new G4Element(name="Hydrogen", |
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98 | symbol="H",z=1.,a); |
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99 | |
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100 | //Carbon |
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101 | |
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102 | a=12.01*g/mole; |
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103 | G4Element* elC = new G4Element(name="Carbon", |
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104 | symbol="C",z=6.,a); |
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105 | |
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106 | //Silicon |
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107 | |
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108 | a=28.09*g/mole; |
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109 | G4Element* elSi = new G4Element(name="Silicon", |
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110 | symbol="Si",z=14.,a); |
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111 | //Fluorine |
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112 | a=18.998*g/mole; |
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113 | G4Element* elF = new G4Element(name="Fluorine", |
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114 | symbol="F",z=9.,a); |
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115 | //Aluminum |
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116 | a=26.98*g/mole; |
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117 | G4Element* elAL =new G4Element(name="Aluminium", |
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118 | symbol="Al",z=13.,a); |
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119 | |
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120 | //Sodium |
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121 | a=22.99*g/mole; |
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122 | G4Element* elNa = new G4Element(name="Sodium", |
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123 | symbol="Na",z=11.,a); |
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124 | |
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125 | //Potassium |
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126 | a=39.10*g/mole; |
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127 | G4Element* elK = new G4Element(name="Potassium", |
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128 | symbol="K",z=19.,a); |
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129 | |
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130 | //Cesium |
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131 | |
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132 | // a=132.91*g/mole; |
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133 | // G4Element* elCs = new G4Element(name="Cesium", |
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134 | // symbol="Cs",z=55.,a); |
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135 | |
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136 | //Antimony |
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137 | |
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138 | a=121.76*g/mole; |
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139 | G4Element* elSb = new G4Element(name="Antimony", |
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140 | symbol="Sb",z=51.,a); |
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141 | |
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142 | |
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143 | //Define Materials |
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144 | G4cout << "\nNow Define Materials ..\n" <<G4endl; |
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145 | // |
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146 | |
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147 | //Air at 20 degree C and 1 atm for the ambiet air. |
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148 | // Also Air as a radiator material for inside the tubes. |
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149 | //-- |
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150 | density = 1.205e-03*g/cm3; |
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151 | pressure=1.*atmosphere; |
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152 | temperature=293.*kelvin; |
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153 | G4Material* Air = new G4Material(name="Air ", density, numel=2, |
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154 | kStateGas,temperature,pressure); |
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155 | Air->AddElement(elN, fractionmass=0.7); |
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156 | Air->AddElement(elO, fractionmass=0.3); |
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157 | |
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158 | G4double* AirAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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159 | G4double* AirRindex=new G4double[NumPhotWaveLengthBins]; |
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160 | |
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161 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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162 | AirAbsorpLength[ibin]=1.E32*mm; |
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163 | AirRindex[ibin]=1.000273; |
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164 | } |
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165 | G4MaterialPropertiesTable* AirMPT = |
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166 | new G4MaterialPropertiesTable(); |
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167 | |
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168 | AirMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
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169 | AirAbsorpLength,NumPhotWaveLengthBins); |
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170 | |
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171 | Air->SetMaterialPropertiesTable(AirMPT); |
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172 | RichTbAmbientAir = Air; |
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173 | |
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174 | |
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175 | density = 1.205e-03*g/cm3; |
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176 | pressure=1.*atmosphere; |
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177 | temperature=293.*kelvin; |
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178 | G4Material* TAir = new G4Material(name="TAir ", density, numel=2, |
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179 | kStateGas,temperature,pressure); |
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180 | TAir->AddElement(elN, fractionmass=0.7); |
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181 | TAir->AddElement(elO, fractionmass=0.3); |
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182 | |
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183 | G4double* TAirAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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184 | G4double* TAirRindex=new G4double[NumPhotWaveLengthBins]; |
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185 | |
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186 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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187 | TAirAbsorpLength[ibin]=1.E32*mm; |
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188 | TAirRindex[ibin]=1.000273; |
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189 | } |
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190 | G4MaterialPropertiesTable* TAirMPT = |
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191 | new G4MaterialPropertiesTable(); |
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192 | |
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193 | TAirMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
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194 | TAirAbsorpLength,NumPhotWaveLengthBins); |
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195 | |
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196 | TAirMPT->AddProperty("RINDEX", PhotonMomentum, |
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197 | AirRindex,NumPhotWaveLengthBins); |
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198 | |
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199 | TAir->SetMaterialPropertiesTable(TAirMPT); |
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200 | RichTbTubeAir = TAir; |
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201 | |
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202 | //Nitrogen gas. |
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203 | |
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204 | density = 0.8073e-03*g/cm3; |
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205 | pressure = RConfig -> getPressureN2(); |
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206 | temperature = RConfig ->getTemperatureN2(); |
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207 | |
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208 | G4Material* NitrogenGas = new G4Material(name="NitrogenGas ", |
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209 | density, numel=1, |
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210 | kStateGas,temperature,pressure); |
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211 | NitrogenGas->AddElement(elN, natoms=2); |
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212 | |
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213 | G4double* NitrogenGasAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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214 | G4double* NitrogenGasRindex=new G4double[NumPhotWaveLengthBins]; |
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215 | G4double* NitrogenGasPhotW=new G4double[NumPhotWaveLengthBins]; |
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216 | |
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217 | |
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218 | std::vector<G4double>N2RefInd= InitN2RefIndex(pressure,temperature); |
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219 | std::vector<G4double>N2RefPhotW=InitN2RefPhotW(); |
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220 | |
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221 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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222 | NitrogenGasAbsorpLength[ibin]=1.E32*mm; |
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223 | |
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224 | NitrogenGasRindex[ibin]=N2RefInd[ibin]; |
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225 | NitrogenGasPhotW[ibin]=N2RefPhotW[ibin]; |
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226 | |
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227 | } |
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228 | G4MaterialPropertiesTable* NitrogenGasMPT = |
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229 | new G4MaterialPropertiesTable(); |
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230 | |
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231 | NitrogenGasMPT->AddProperty("ABSLENGTH",NitrogenGasPhotW, |
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232 | NitrogenGasAbsorpLength,NumPhotWaveLengthBins); |
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233 | |
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234 | NitrogenGasMPT->AddProperty("RINDEX", NitrogenGasPhotW, |
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235 | NitrogenGasRindex,NumPhotWaveLengthBins); |
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236 | |
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237 | NitrogenGas->SetMaterialPropertiesTable(NitrogenGasMPT); |
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238 | RichTbNitrogenGas = NitrogenGas; |
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239 | |
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240 | //Water |
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241 | density=1.000*g/cm3; |
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242 | G4Material* H2O = new G4Material(name="Water",density,numel=2); |
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243 | H2O->AddElement(elH,natoms=2); |
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244 | H2O->AddElement(elO,natoms=1); |
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245 | |
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246 | G4double* H2OAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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247 | G4double* H2ORindex=new G4double[NumPhotWaveLengthBins]; |
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248 | |
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249 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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250 | H2OAbsorpLength[ibin]=1.E32*mm; |
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251 | H2ORindex[ibin]=1.33; |
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252 | } |
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253 | |
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254 | |
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255 | G4MaterialPropertiesTable* H2OMPT = |
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256 | new G4MaterialPropertiesTable(); |
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257 | |
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258 | H2OMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
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259 | H2OAbsorpLength,NumPhotWaveLengthBins); |
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260 | |
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261 | H2OMPT->AddProperty("RINDEX", PhotonMomentum, |
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262 | H2ORindex,NumPhotWaveLengthBins); |
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263 | |
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264 | H2O->SetMaterialPropertiesTable(H2OMPT); |
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265 | |
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266 | |
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267 | RichTbH2O=H2O; |
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268 | //Sio2 |
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269 | //There is a quartz for the mirror and |
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270 | //another quartz which is used in aerogel and |
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271 | // yet another quartz used for the quartz window. |
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272 | //Mirrorquartz |
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273 | |
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274 | density=2.200*g/cm3; |
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275 | G4Material* SiO2MirrorQuartz = new G4Material(name="MirrorQuartz", |
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276 | density,numel=2); |
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277 | SiO2MirrorQuartz->AddElement(elSi,natoms=1); |
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278 | SiO2MirrorQuartz->AddElement(elO,natoms=2); |
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279 | |
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280 | G4double* MirrorQuartzRindex=new G4double[NumPhotWaveLengthBins]; |
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281 | G4double* MirrorQuartzAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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282 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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283 | MirrorQuartzAbsorpLength[ibin]=0.01*mm; |
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284 | |
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285 | } |
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286 | G4MaterialPropertiesTable* MirrorQuartzMPT = |
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287 | new G4MaterialPropertiesTable(); |
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288 | |
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289 | |
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290 | MirrorQuartzMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
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291 | MirrorQuartzAbsorpLength,NumPhotWaveLengthBins); |
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292 | |
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293 | |
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294 | SiO2MirrorQuartz->SetMaterialPropertiesTable(MirrorQuartzMPT); |
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295 | RichTbMirrorQuartz=SiO2MirrorQuartz; |
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296 | |
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297 | density=2.200*g/cm3; |
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298 | G4Material* SiO2AerogelQuartz = new G4Material(name="AerogelQuartz", |
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299 | density,numel=2); |
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300 | SiO2AerogelQuartz->AddElement(elSi,natoms=1); |
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301 | SiO2AerogelQuartz->AddElement(elO,natoms=2); |
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302 | |
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303 | // QuartzWindow Quartz |
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304 | density=2.200*g/cm3; |
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305 | G4Material* WindowQuartz = new G4Material(name="WindowQuartz", |
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306 | density,numel=2); |
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307 | WindowQuartz->AddElement(elSi,natoms=1); |
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308 | WindowQuartz->AddElement(elO,natoms=2); |
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309 | G4double* WindowQuartzRindex=new G4double[NumPhotWaveLengthBins]; |
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310 | G4double* WindowQuartzAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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311 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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312 | WindowQuartzAbsorpLength[ibin]=1.E32*mm; |
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313 | WindowQuartzRindex[ibin]=1.4; |
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314 | } |
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315 | G4MaterialPropertiesTable* WindowQuartzMPT = |
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316 | new G4MaterialPropertiesTable(); |
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317 | |
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318 | WindowQuartzMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
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319 | WindowQuartzAbsorpLength,NumPhotWaveLengthBins); |
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320 | |
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321 | WindowQuartzMPT->AddProperty("RINDEX", PhotonMomentum, |
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322 | WindowQuartzRindex,NumPhotWaveLengthBins); |
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323 | WindowQuartz->SetMaterialPropertiesTable(WindowQuartzMPT); |
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324 | |
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325 | RichTbQuartzWindowMaterial=WindowQuartz; |
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326 | //for now this is kept to be same as the hpdquartz window. |
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327 | density=2.200*g/cm3; |
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328 | G4Material* HpdWindowQuartz = new G4Material(name="HpdWindowQuartz", |
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329 | density,numel=2); |
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330 | HpdWindowQuartz->AddElement(elSi,natoms=1); |
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331 | HpdWindowQuartz->AddElement(elO,natoms=2); |
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332 | G4double* HpdWindowQuartzRindex=new G4double[NumPhotWaveLengthBins]; |
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333 | G4double* HpdWindowQuartzAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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334 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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335 | HpdWindowQuartzAbsorpLength[ibin]=1.E32*mm; |
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336 | HpdWindowQuartzRindex[ibin]=1.40; |
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337 | } |
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338 | G4MaterialPropertiesTable* HpdWindowQuartzMPT = |
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339 | new G4MaterialPropertiesTable(); |
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340 | |
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341 | HpdWindowQuartzMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
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342 | HpdWindowQuartzAbsorpLength,NumPhotWaveLengthBins); |
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343 | |
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344 | HpdWindowQuartzMPT->AddProperty("RINDEX", PhotonMomentum, |
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345 | HpdWindowQuartzRindex,NumPhotWaveLengthBins); |
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346 | HpdWindowQuartz->SetMaterialPropertiesTable(HpdWindowQuartzMPT); |
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347 | |
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348 | HpdQuartzWindowMaterial=HpdWindowQuartz; |
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349 | |
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350 | // Borosilcate window of the Pad Hpd |
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351 | // for now kept same as the other Hpd. |
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352 | density=2.200*g/cm3; |
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353 | G4Material* PadHpdWindowQuartz = new G4Material(name="PadHpdWindowQuartz", |
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354 | density,numel=2); |
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355 | PadHpdWindowQuartz->AddElement(elSi,natoms=1); |
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356 | PadHpdWindowQuartz->AddElement(elO,natoms=2); |
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357 | G4double* PadHpdWindowQuartzRindex=new G4double[NumPhotWaveLengthBins]; |
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358 | G4double* PadHpdWindowQuartzAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
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359 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
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360 | PadHpdWindowQuartzAbsorpLength[ibin]=1.E32*mm; |
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361 | PadHpdWindowQuartzRindex[ibin]=1.40; |
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362 | } |
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363 | G4MaterialPropertiesTable* PadHpdWindowQuartzMPT = |
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364 | new G4MaterialPropertiesTable(); |
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365 | |
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366 | PadHpdWindowQuartzMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
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367 | PadHpdWindowQuartzAbsorpLength,NumPhotWaveLengthBins); |
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368 | |
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369 | PadHpdWindowQuartzMPT->AddProperty("RINDEX", PhotonMomentum, |
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370 | PadHpdWindowQuartzRindex,NumPhotWaveLengthBins); |
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371 | PadHpdWindowQuartz->SetMaterialPropertiesTable(PadHpdWindowQuartzMPT); |
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372 | |
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373 | PadHpdQuartzWindowMaterial=PadHpdWindowQuartz; |
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374 | // |
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375 | // |
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376 | |
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377 | G4int filterNumberThisRun=RConfig->GetFilterTNumber(); |
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378 | // now for the filter material glass d263 |
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379 | density=2.200*g/cm3; |
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380 | G4Material* GlassD263 = new G4Material(name= FilterTypeString[0], |
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381 | density,numel=2); |
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382 | GlassD263->AddElement(elSi,natoms=1); |
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383 | GlassD263->AddElement(elO,natoms=2); |
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384 | |
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385 | if(filterNumberThisRun >= 0 ) { |
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386 | |
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387 | //in the following the +2 is to match the materialproperty bins |
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388 | // for the various materials, to avoid the tons of printout from G4. |
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389 | // Please see the explanation below for getting the abosorption |
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390 | // length of aerogel. The same comments apply here as well. |
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391 | // Essentially the measured transmission input here is a combination of |
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392 | // the bulk absorption and the fresnel surface loss. One needs to |
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393 | // decouple them. Here a partial attempt is made to avoid |
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394 | // modifying the G4OpBoundary process. SE. 15-11-2002. |
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395 | G4double* GlassD263Rindex=new G4double[NumPhotBinGlassD263Trans+2]; |
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396 | G4double* GlassD263AbsorpLength=new G4double[NumPhotBinGlassD263Trans+2]; |
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397 | G4double* GlassD263MomValue = new G4double[NumPhotBinGlassD263Trans+2]; |
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398 | G4double* currBulkTransFilter = new G4double[NumPhotBinGlassD263Trans+2]; |
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399 | FilterTrData* CurFil = RConfig->GetFilterTrData(); |
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400 | std::vector<G4double>GlassD263TransWL = CurFil-> GetTransWL(); |
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401 | std::vector<G4double>GlassD263Transmis = CurFil->GetTransTotValue(); |
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402 | G4double FilterHalfZ= CurFil->GetCurFilterThickness(); |
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403 | |
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404 | for (ibin=0; ibin<NumPhotBinGlassD263Trans+2; ibin++){ |
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405 | |
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406 | |
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407 | GlassD263Rindex[ibin]=RefIndexGlassD263; |
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408 | if(ibin > 0 && ibin < NumPhotBinGlassD263Trans+1 ){ |
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409 | //now using the formula trans=std::exp(-thickness/absorplength). |
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410 | G4int ibina=ibin-1; |
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411 | |
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412 | if(GlassD263TransWL[ibina] > 0.0 ) { |
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413 | GlassD263MomValue[ibin]= PhotMomWaveConv*eV/GlassD263TransWL[ibina]; |
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414 | } |
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415 | if(GlassD263Transmis[ibina] >0.0 ) { |
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416 | // G4double currentfilterRefIndex= GlassD263Rindex[ibin]; |
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417 | G4double currentAdjacentMediumRefIndex=NitrogenNominalRefIndex; |
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418 | // the following needs to be improved in the future |
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419 | // to have a binary search and |
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420 | // interpolation between the adjacent |
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421 | // array elements etc. SE 15-11-2002. |
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422 | for(size_t ibinr=0; ibinr<N2RefPhotW.size()-1 ; ibinr++){ |
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423 | G4double currMomA=GlassD263MomValue[ibin]; |
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424 | if(currMomA >= N2RefPhotW[ibinr] && currMomA <= N2RefPhotW[ibinr+1]){ |
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425 | currentAdjacentMediumRefIndex=N2RefInd[ibinr]; |
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426 | } |
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427 | |
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428 | } |
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429 | |
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430 | if( GlassD263Transmis[ibina] > 0.01 ) { |
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431 | currBulkTransFilter[ibin]= |
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432 | GetCurrentBulkTrans(GlassD263Rindex[ibin], |
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433 | currentAdjacentMediumRefIndex, |
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434 | GlassD263Transmis[ibina]); |
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435 | } else { |
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436 | currBulkTransFilter[ibin]=GlassD263Transmis[ibina]; |
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437 | |
---|
438 | } |
---|
439 | if(currBulkTransFilter[ibin] > 0.0 && |
---|
440 | currBulkTransFilter[ibin] < 0.9995 ) { |
---|
441 | GlassD263AbsorpLength[ibin]= |
---|
442 | -(2.0*FilterHalfZ)/(std::log(currBulkTransFilter[ibin])); |
---|
443 | }else if (currBulkTransFilter[ibin]== 0.0 ) { |
---|
444 | GlassD263AbsorpLength[ibin]=FilterHalfZ/1.0E32; |
---|
445 | }else { |
---|
446 | GlassD263AbsorpLength[ibin]=DBL_MAX; |
---|
447 | } |
---|
448 | }else { |
---|
449 | |
---|
450 | GlassD263AbsorpLength[ibin]=FilterHalfZ/1.0E32; |
---|
451 | } |
---|
452 | } |
---|
453 | |
---|
454 | } |
---|
455 | GlassD263MomValue[0]=PhotonMaxEnergy; |
---|
456 | GlassD263AbsorpLength[0]=GlassD263AbsorpLength[1]; |
---|
457 | currBulkTransFilter[0]=currBulkTransFilter[1]; |
---|
458 | |
---|
459 | G4int mbin=NumPhotBinGlassD263Trans+1; |
---|
460 | GlassD263MomValue[mbin]=PhotonMinEnergy; |
---|
461 | GlassD263AbsorpLength[mbin]=GlassD263AbsorpLength[mbin-1]; |
---|
462 | currBulkTransFilter[mbin]=currBulkTransFilter[mbin-1]; |
---|
463 | |
---|
464 | G4MaterialPropertiesTable* GlassD263MPT = |
---|
465 | new G4MaterialPropertiesTable(); |
---|
466 | |
---|
467 | GlassD263MPT->AddProperty("ABSLENGTH",GlassD263MomValue, |
---|
468 | GlassD263AbsorpLength,NumPhotBinGlassD263Trans+2); |
---|
469 | |
---|
470 | GlassD263MPT->AddProperty("RINDEX",GlassD263MomValue, |
---|
471 | GlassD263Rindex,NumPhotBinGlassD263Trans+2); |
---|
472 | |
---|
473 | GlassD263->SetMaterialPropertiesTable(GlassD263MPT); |
---|
474 | } |
---|
475 | |
---|
476 | GlassD263FilterMaterial=GlassD263; |
---|
477 | RichTbFilterMaterial[0]=GlassD263; |
---|
478 | //for the G4Example only 1 filter type is used. |
---|
479 | G4cout << " Now Define Aerogel .." <<G4endl; |
---|
480 | |
---|
481 | |
---|
482 | //Aerogel upto five types considered so far. |
---|
483 | // in the G4example the same type is repeated 5 times. |
---|
484 | //Now for TypeA |
---|
485 | |
---|
486 | density=0.200*g/cm3; |
---|
487 | |
---|
488 | G4Material* AerogTypeA = |
---|
489 | new G4Material(name=AerogelTypeString[0], density, numel=2); |
---|
490 | AerogTypeA->AddMaterial(SiO2AerogelQuartz, fractionmass=97.0*perCent); |
---|
491 | AerogTypeA->AddMaterial(H2O, fractionmass=3.0*perCent); |
---|
492 | |
---|
493 | |
---|
494 | G4double* AerogTypeARindex=new G4double[NumPhotWaveLengthBins]; |
---|
495 | G4double* AerogTypeAAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
496 | G4double* AerogTypeARScatLength = new G4double[NumPhotWaveLengthBins]; |
---|
497 | G4double* currentAgelTrans = new G4double[NumPhotWaveLengthBins]; |
---|
498 | |
---|
499 | std::vector<G4double>AerogelTypeASLength = GetAerogelRScatLength(AerogelTypeA); |
---|
500 | G4int AerogNumber=0; |
---|
501 | G4double AerogelLength=GetCurAerogelLength(AerogNumber); |
---|
502 | G4double MaxTotTransmission=AerogelTypeATotTrans; |
---|
503 | // Unfortunately the transmission measurement values only give the |
---|
504 | // total transmission which includes the loss within aerogel |
---|
505 | // and the Fresnel loss at the surface. In order to |
---|
506 | // partially decouple this, the approximate loss at the |
---|
507 | // the surface is calculated using the ref index of the |
---|
508 | // aerogel and its surroundings. Then this is added to the |
---|
509 | // measured transmission to get the transmission in the bulk of |
---|
510 | // aerogel. This is then converted to an absorption length. |
---|
511 | // In a more accurate implementation the loss at the surface |
---|
512 | // should be calculated using a more precise formula. It is |
---|
513 | // difficult since we do not know the direction of the photons |
---|
514 | // at this point. |
---|
515 | // One possibility is to modify the G4opBoundaryProcess |
---|
516 | // for this, since we do know the direction of the photons by then. |
---|
517 | // This is not done for this G4example, but only in the LHCb implementation. |
---|
518 | // SE 15-11-2002. |
---|
519 | // The aerogel is inside a volume made of Nitrogen |
---|
520 | |
---|
521 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
522 | AerogTypeARindex[ibin]= ConvertAgelRIndex(PhotonMomentum[ibin],0); |
---|
523 | AerogTypeARScatLength[ibin]=AerogelTypeASLength[ibin]; |
---|
524 | // G4double photwl = PhotMomWaveConv/ (PhotonMomentum[ibin]/eV); |
---|
525 | |
---|
526 | G4double currentAgelRefIndex= AerogTypeARindex[ibin]; |
---|
527 | G4double currentNeighbourRefIndex= N2RefInd[ibin]; |
---|
528 | currentAgelTrans[ibin]= |
---|
529 | GetCurrentBulkTrans( currentAgelRefIndex, |
---|
530 | currentNeighbourRefIndex,MaxTotTransmission); |
---|
531 | //now using the formula trans=std::exp(-thickness/absorplength) |
---|
532 | // to get the absorplength. |
---|
533 | |
---|
534 | if( currentAgelTrans[ibin] > 0.0 && currentAgelTrans[ibin] < 0.9995) { |
---|
535 | AerogTypeAAbsorpLength[ibin]= |
---|
536 | -(AerogelLength)/(std::log( currentAgelTrans[ibin])); |
---|
537 | }else if (currentAgelTrans[ibin] == 0.0) { |
---|
538 | |
---|
539 | AerogTypeAAbsorpLength[ibin]=AerogelLength/1.0E32; |
---|
540 | }else { |
---|
541 | |
---|
542 | AerogTypeAAbsorpLength[ibin]=DBL_MAX; |
---|
543 | } |
---|
544 | |
---|
545 | } |
---|
546 | |
---|
547 | G4MaterialPropertiesTable* AerogTypeAMPT = |
---|
548 | new G4MaterialPropertiesTable(); |
---|
549 | |
---|
550 | AerogTypeAMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
551 | AerogTypeAAbsorpLength,NumPhotWaveLengthBins); |
---|
552 | |
---|
553 | |
---|
554 | AerogTypeAMPT->AddProperty("RAYLEIGH",PhotonMomentum, |
---|
555 | AerogTypeARScatLength,NumPhotWaveLengthBins); |
---|
556 | |
---|
557 | AerogTypeAMPT->AddProperty("RINDEX", PhotonMomentum, |
---|
558 | AerogTypeARindex,NumPhotWaveLengthBins); |
---|
559 | |
---|
560 | AerogTypeA->SetMaterialPropertiesTable(AerogTypeAMPT); |
---|
561 | |
---|
562 | |
---|
563 | RichTbAerogelTypeA = AerogTypeA; |
---|
564 | RichTbAerogelMaterial[0] = AerogTypeA; |
---|
565 | // In the G4example the same type is repeated 5 times. |
---|
566 | // in the LHCb implementation 5 types of aerogel materials used. |
---|
567 | //Now for Aerogel TypeB |
---|
568 | |
---|
569 | RichTbAerogelTypeB = AerogTypeA; |
---|
570 | RichTbAerogelMaterial[1] = AerogTypeA; |
---|
571 | |
---|
572 | //Now for aerogel TypeC |
---|
573 | |
---|
574 | RichTbAerogelTypeC = AerogTypeA; |
---|
575 | RichTbAerogelMaterial[2] = AerogTypeA; |
---|
576 | |
---|
577 | //Now for aerogel TypeD |
---|
578 | |
---|
579 | RichTbAerogelTypeD = AerogTypeA; |
---|
580 | RichTbAerogelMaterial[3] = AerogTypeA; |
---|
581 | |
---|
582 | //Now for aerogel Type E |
---|
583 | |
---|
584 | |
---|
585 | RichTbAerogelTypeE = AerogTypeA; |
---|
586 | RichTbAerogelMaterial[4] = AerogTypeA; |
---|
587 | |
---|
588 | |
---|
589 | |
---|
590 | //Bialkali Photocathode |
---|
591 | |
---|
592 | //the following numbers on the property of the BiAlkali Photocathode |
---|
593 | // may not be accurate. |
---|
594 | //Some number is is jut put in for initial program test purposes. |
---|
595 | density=0.100*g/cm3; |
---|
596 | G4Material* BiAlkaliPhCathode = new G4Material(name="BiAlkaliPhCathode", |
---|
597 | density, numel=3); |
---|
598 | BiAlkaliPhCathode->AddElement(elNa, fractionmass=37.5*perCent); |
---|
599 | BiAlkaliPhCathode->AddElement(elK, fractionmass=37.5*perCent); |
---|
600 | BiAlkaliPhCathode->AddElement(elSb, fractionmass=25.0*perCent); |
---|
601 | |
---|
602 | //for now properties for the ph cathode material. |
---|
603 | |
---|
604 | G4double* BiAlkaliPhCathodeRindex=new G4double[NumPhotWaveLengthBins]; |
---|
605 | G4double* BiAlkaliPhCathodeAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
606 | G4double CathLen=PhotoCathodeThickness; |
---|
607 | G4double CathTrans=PhCathodeNominalTransmission; |
---|
608 | G4double CathAbsorpLen; |
---|
609 | if(CathTrans > 0.0 && CathTrans < 0.9995 ) { |
---|
610 | CathAbsorpLen = -(CathLen)/(std::log(CathTrans)); |
---|
611 | }else if (CathTrans > 0.0) { |
---|
612 | CathAbsorpLen = CathLen/1.0E32; |
---|
613 | }else { |
---|
614 | CathAbsorpLen = DBL_MAX; |
---|
615 | } |
---|
616 | |
---|
617 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
618 | BiAlkaliPhCathodeAbsorpLength[ibin]=CathAbsorpLen; |
---|
619 | BiAlkaliPhCathodeRindex[ibin]=1.40; |
---|
620 | } |
---|
621 | G4MaterialPropertiesTable* BiAlkaliPhCathodeMPT = |
---|
622 | new G4MaterialPropertiesTable(); |
---|
623 | BiAlkaliPhCathodeMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
624 | BiAlkaliPhCathodeAbsorpLength,NumPhotWaveLengthBins); |
---|
625 | |
---|
626 | BiAlkaliPhCathodeMPT->AddProperty("RINDEX", PhotonMomentum, |
---|
627 | BiAlkaliPhCathodeRindex,NumPhotWaveLengthBins); |
---|
628 | BiAlkaliPhCathode->SetMaterialPropertiesTable(BiAlkaliPhCathodeMPT); |
---|
629 | PadHpdPhCathodeMaterial=BiAlkaliPhCathode; |
---|
630 | |
---|
631 | //CF4 |
---|
632 | //no data available at room temp and pressure; |
---|
633 | density=0.003884*g/cm3; |
---|
634 | temperature=273.*kelvin; |
---|
635 | pressure=1.0*atmosphere; |
---|
636 | a=88.01*g/mole; |
---|
637 | |
---|
638 | G4Material* CF4 =new G4Material(name="CF4",density,numel=2, |
---|
639 | kStateGas,temperature,pressure); |
---|
640 | CF4->AddElement(elC,natoms=1); |
---|
641 | CF4->AddElement(elF,natoms=4); |
---|
642 | // Sellmeir coef to be added. |
---|
643 | RichTbCF4=CF4; |
---|
644 | |
---|
645 | G4cout << "\nNowDefineVacuum ..\n" <<G4endl; |
---|
646 | |
---|
647 | //Vacuum |
---|
648 | // |
---|
649 | density=universe_mean_density; |
---|
650 | a=1.01*g/mole; |
---|
651 | pressure=1.e-19*pascal; |
---|
652 | temperature=0.1*kelvin; |
---|
653 | |
---|
654 | G4Material* vacuum = new G4Material(name="Galactic",density,numel=1, |
---|
655 | kStateGas,temperature,pressure); |
---|
656 | vacuum->AddElement(elH,natoms=1); |
---|
657 | |
---|
658 | G4double* VacAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
659 | G4double* VacRindex=new G4double[NumPhotWaveLengthBins]; |
---|
660 | |
---|
661 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
662 | VacAbsorpLength[ibin]=1.E32*mm; |
---|
663 | // the following ref index is just artifical, just to |
---|
664 | // avoid the refraction between nitrogen gas and hpd master. |
---|
665 | VacRindex[ibin]=1.000273; |
---|
666 | } |
---|
667 | G4MaterialPropertiesTable* VacMPT = |
---|
668 | new G4MaterialPropertiesTable(); |
---|
669 | |
---|
670 | VacMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
671 | VacAbsorpLength,NumPhotWaveLengthBins); |
---|
672 | VacMPT->AddProperty("RINDEX", PhotonMomentum, |
---|
673 | VacRindex,NumPhotWaveLengthBins); |
---|
674 | vacuum->SetMaterialPropertiesTable(VacMPT); |
---|
675 | |
---|
676 | RichTbVacuum=vacuum; |
---|
677 | |
---|
678 | //beamgas |
---|
679 | // |
---|
680 | density=1.e-5*g/cm3; |
---|
681 | pressure=2.e-2*bar; |
---|
682 | temperature=STP_Temperature; |
---|
683 | G4Material* beamgas = new G4Material(name="Beamgas",density,numel=1, |
---|
684 | kStateGas,temperature,pressure); |
---|
685 | beamgas->AddMaterial(Air,fractionmass=1.); // beware that air is at 20 deg; |
---|
686 | |
---|
687 | // |
---|
688 | //Aluminium |
---|
689 | density=2.7*g/cm3; |
---|
690 | G4Material* Aluminium =new G4Material(name="Aluminium",density,numel=1); |
---|
691 | Aluminium->AddElement(elAL,natoms=1); |
---|
692 | |
---|
693 | G4double* AluminiumAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
694 | |
---|
695 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
696 | AluminiumAbsorpLength[ibin]=0.0*mm; |
---|
697 | } |
---|
698 | |
---|
699 | G4MaterialPropertiesTable* AluminiumMPT = |
---|
700 | new G4MaterialPropertiesTable(); |
---|
701 | |
---|
702 | AluminiumMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
703 | AluminiumAbsorpLength,NumPhotWaveLengthBins); |
---|
704 | |
---|
705 | Aluminium->SetMaterialPropertiesTable(AluminiumMPT); |
---|
706 | RichTbAluminium=Aluminium; |
---|
707 | //PlasticAg , this is used as a wrap of aerogel and as upstream holder |
---|
708 | // for aerogel frame. For now use same properties as that of Aluminium. |
---|
709 | // this is just an opaque material. |
---|
710 | |
---|
711 | density=2.7*g/cm3; |
---|
712 | G4Material* PlasticAg =new G4Material(name="PlasticAg",density,numel=1); |
---|
713 | PlasticAg->AddElement(elAL,natoms=1); |
---|
714 | |
---|
715 | G4double* PlasticAgAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
716 | |
---|
717 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
718 | PlasticAgAbsorpLength[ibin]=0.0*mm; |
---|
719 | } |
---|
720 | |
---|
721 | G4MaterialPropertiesTable* PlasticAgMPT = |
---|
722 | new G4MaterialPropertiesTable(); |
---|
723 | |
---|
724 | PlasticAgMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
725 | PlasticAgAbsorpLength,NumPhotWaveLengthBins); |
---|
726 | |
---|
727 | PlasticAg->SetMaterialPropertiesTable(PlasticAgMPT); |
---|
728 | RichTbPlasticAg=PlasticAg; |
---|
729 | // Kovar |
---|
730 | density=2.7*g/cm3; |
---|
731 | G4Material* Kovar =new G4Material(name="Kovar",density,numel=1); |
---|
732 | Kovar->AddElement(elAL,natoms=1); |
---|
733 | |
---|
734 | G4double* KovarAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
735 | |
---|
736 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
737 | KovarAbsorpLength[ibin]=0.0*mm; |
---|
738 | } |
---|
739 | |
---|
740 | G4MaterialPropertiesTable* KovarMPT = |
---|
741 | new G4MaterialPropertiesTable(); |
---|
742 | |
---|
743 | KovarMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
744 | KovarAbsorpLength,NumPhotWaveLengthBins); |
---|
745 | |
---|
746 | Kovar->SetMaterialPropertiesTable(KovarMPT); |
---|
747 | HpdTubeMaterial=Kovar; |
---|
748 | |
---|
749 | // Silicon |
---|
750 | |
---|
751 | density=2.33*g/cm3; |
---|
752 | G4Material* Silicon =new G4Material(name="Silicon",density,numel=1); |
---|
753 | Silicon->AddElement(elSi,natoms=1); |
---|
754 | |
---|
755 | G4double* SiliconAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
756 | |
---|
757 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
758 | SiliconAbsorpLength[ibin]=0.0*mm; |
---|
759 | } |
---|
760 | |
---|
761 | G4MaterialPropertiesTable* SiliconMPT = |
---|
762 | new G4MaterialPropertiesTable(); |
---|
763 | |
---|
764 | SiliconMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
765 | SiliconAbsorpLength,NumPhotWaveLengthBins); |
---|
766 | |
---|
767 | Silicon->SetMaterialPropertiesTable(SiliconMPT); |
---|
768 | HpdSiDetMaterial=Silicon; |
---|
769 | |
---|
770 | // Silicon coating made of Si02. |
---|
771 | |
---|
772 | density=2.33*g/cm3; |
---|
773 | G4Material* SiliconCoating =new G4Material(name="SilCoat",density,numel=2); |
---|
774 | SiliconCoating->AddElement(elSi,natoms=1); |
---|
775 | SiliconCoating->AddElement(elO,natoms=2); |
---|
776 | |
---|
777 | G4double* SiliconCoatingAbsorpLength=new G4double[NumPhotWaveLengthBins]; |
---|
778 | // G4double* SiliconCoatingRindex=new G4double[NumPhotWaveLengthBins]; |
---|
779 | |
---|
780 | for (ibin=0; ibin<NumPhotWaveLengthBins; ibin++){ |
---|
781 | SiliconCoatingAbsorpLength[ibin]=0.0001*mm; |
---|
782 | |
---|
783 | } |
---|
784 | |
---|
785 | G4MaterialPropertiesTable* SiliconCoatingMPT = |
---|
786 | new G4MaterialPropertiesTable(); |
---|
787 | |
---|
788 | SiliconCoatingMPT->AddProperty("ABSLENGTH",PhotonMomentum, |
---|
789 | SiliconCoatingAbsorpLength,NumPhotWaveLengthBins); |
---|
790 | |
---|
791 | SiliconCoating->SetMaterialPropertiesTable(SiliconCoatingMPT); |
---|
792 | HpdSiCoatingMaterial=SiliconCoating; |
---|
793 | |
---|
794 | // |
---|
795 | // Now for the material properties of Surfaces |
---|
796 | // |
---|
797 | // |
---|
798 | // |
---|
799 | //Front (reflecting surface of RichTb Mirror) |
---|
800 | |
---|
801 | // First define wavelength in nm. |
---|
802 | //For now assume that all segments have the same reflectivity. |
---|
803 | // Hence the reflectivity is defined outside the loop of the |
---|
804 | // the number of segments. |
---|
805 | //Only the front surface is created. |
---|
806 | // The abosorption length is set to a small value just to |
---|
807 | // avoid photons exiting from the back of the mirror. |
---|
808 | // the efficiency is for the absorption process. |
---|
809 | |
---|
810 | |
---|
811 | G4double* PhotonMomentumRefl |
---|
812 | =new G4double[NumPhotonRichMirrorReflWaveLengthBins]; |
---|
813 | G4double* PhotWaveRefl = |
---|
814 | new G4double[NumPhotonRichMirrorReflWaveLengthBins]; |
---|
815 | G4double* PhotReflEff =new G4double[NumPhotonRichMirrorReflWaveLengthBins]; |
---|
816 | G4double* MirrorQuRefIndex |
---|
817 | =new G4double[NumPhotonRichMirrorReflWaveLengthBins]; |
---|
818 | |
---|
819 | for (ibin=0; ibin<NumPhotonRichMirrorReflWaveLengthBins; ibin++){ |
---|
820 | PhotonMomentumRefl[ibin]=PhotMomWaveConv*eV/ PhotonWavelengthRefl[ibin]; |
---|
821 | PhotWaveRefl[ibin]= RichTbMirrorReflectivity[ibin]; |
---|
822 | PhotReflEff[ibin]= RichTbMirrorEfficiency[ibin]; |
---|
823 | //the following lines to avoid reflection at the mirror. |
---|
824 | |
---|
825 | MirrorQuRefIndex[ibin] = 1.40; |
---|
826 | } |
---|
827 | |
---|
828 | G4OpticalSurface * OpRichTbMirrorSurface = |
---|
829 | new G4OpticalSurface("RichTbMirrorSurface"); |
---|
830 | |
---|
831 | OpRichTbMirrorSurface->SetType(dielectric_metal); |
---|
832 | OpRichTbMirrorSurface->SetFinish(polished); |
---|
833 | OpRichTbMirrorSurface->SetModel(glisur); |
---|
834 | G4MaterialPropertiesTable* OpRichTbMirrorSurfaceMPT = |
---|
835 | new G4MaterialPropertiesTable(); |
---|
836 | |
---|
837 | OpRichTbMirrorSurfaceMPT->AddProperty("REFLECTIVITY", |
---|
838 | PhotonMomentumRefl, |
---|
839 | PhotWaveRefl, |
---|
840 | NumPhotonRichMirrorReflWaveLengthBins); |
---|
841 | OpRichTbMirrorSurfaceMPT->AddProperty("EFFICIENCY", |
---|
842 | PhotonMomentumRefl, |
---|
843 | PhotReflEff, |
---|
844 | NumPhotonRichMirrorReflWaveLengthBins); |
---|
845 | OpRichTbMirrorSurfaceMPT->AddProperty("RINDEX", |
---|
846 | PhotonMomentumRefl, |
---|
847 | MirrorQuRefIndex, |
---|
848 | NumPhotonRichMirrorReflWaveLengthBins); |
---|
849 | |
---|
850 | OpRichTbMirrorSurface->SetMaterialPropertiesTable(OpRichTbMirrorSurfaceMPT); |
---|
851 | RichTbOpticalMirrorSurface=OpRichTbMirrorSurface; |
---|
852 | |
---|
853 | |
---|
854 | // OpRichTbMirrorSurface->DumpInfo(); |
---|
855 | |
---|
856 | // Now for the Surface of the Vessel Enclosure. |
---|
857 | |
---|
858 | |
---|
859 | G4OpticalSurface * OpRichTbEnclosureSurface = |
---|
860 | new G4OpticalSurface("RichTbEnclosureSurface"); |
---|
861 | OpRichTbEnclosureSurface->SetType(dielectric_metal); |
---|
862 | OpRichTbEnclosureSurface->SetFinish(polished); |
---|
863 | OpRichTbEnclosureSurface->SetModel(glisur); |
---|
864 | |
---|
865 | G4double NumPhotonRichEnclosureSurfaceWaveLengthBins=10; |
---|
866 | G4double RichTbEnclosureSurfaceReflectivity[]= |
---|
867 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
868 | |
---|
869 | G4double RichTbEnclosureSurfaceEfficiency[]= |
---|
870 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
871 | G4double RichEnclosureSurfacePhotMom[]= |
---|
872 | {1.0*eV,2.0*eV, 3.0*eV,4.0*eV,5.0*eV,6.0*eV,7.0*eV,8.0*eV, |
---|
873 | 9.0*eV,10.0*eV}; |
---|
874 | |
---|
875 | G4MaterialPropertiesTable* OpRichTbEnclosureSurfaceMPT = |
---|
876 | new G4MaterialPropertiesTable(); |
---|
877 | |
---|
878 | OpRichTbEnclosureSurfaceMPT->AddProperty("REFLECTIVITY", |
---|
879 | RichEnclosureSurfacePhotMom, |
---|
880 | RichTbEnclosureSurfaceReflectivity, |
---|
881 | static_cast<int>(NumPhotonRichEnclosureSurfaceWaveLengthBins)); |
---|
882 | OpRichTbEnclosureSurfaceMPT->AddProperty("EFFICIENCY", |
---|
883 | RichEnclosureSurfacePhotMom, |
---|
884 | RichTbEnclosureSurfaceEfficiency, |
---|
885 | static_cast<int>(NumPhotonRichEnclosureSurfaceWaveLengthBins)); |
---|
886 | |
---|
887 | OpRichTbEnclosureSurface-> |
---|
888 | SetMaterialPropertiesTable(OpRichTbEnclosureSurfaceMPT); |
---|
889 | |
---|
890 | RichTbOpticalEnclosureSurface=OpRichTbEnclosureSurface; |
---|
891 | |
---|
892 | //Now for the surface between the TAir and Quartz Window of the HPD |
---|
893 | |
---|
894 | G4OpticalSurface * OpHpdQuartzWTSurface = |
---|
895 | new G4OpticalSurface("HpdQuartzWTSurface"); |
---|
896 | OpHpdQuartzWTSurface->SetType(dielectric_dielectric); |
---|
897 | OpHpdQuartzWTSurface->SetFinish(polished); |
---|
898 | OpHpdQuartzWTSurface->SetModel(glisur); |
---|
899 | //OpHpdQuartzWTSurface->SetModel(unified); |
---|
900 | |
---|
901 | G4double NumPhotonHpdQuartzWTSurfaceWaveLengthBins=10; |
---|
902 | G4double HpdQuartzWTSurfaceReflectivity[]= |
---|
903 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
904 | |
---|
905 | G4double HpdQuartzWTSurfaceEfficiency[]= |
---|
906 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
907 | |
---|
908 | G4double HpdQuartzWTSurfacePhotMom[]= |
---|
909 | {1.0*eV,2.0*eV, 3.0*eV,4.0*eV,5.0*eV,6.0*eV,7.0*eV,8.0*eV, |
---|
910 | 9.0*eV,10.0*eV}; |
---|
911 | |
---|
912 | G4MaterialPropertiesTable* OpHpdQuartzWTSurfaceMPT = |
---|
913 | new G4MaterialPropertiesTable(); |
---|
914 | |
---|
915 | |
---|
916 | OpHpdQuartzWTSurfaceMPT->AddProperty("REFLECTIVITY", |
---|
917 | HpdQuartzWTSurfacePhotMom, |
---|
918 | HpdQuartzWTSurfaceReflectivity, |
---|
919 | static_cast<int>(NumPhotonHpdQuartzWTSurfaceWaveLengthBins)); |
---|
920 | OpHpdQuartzWTSurfaceMPT->AddProperty("EFFICIENCY", |
---|
921 | HpdQuartzWTSurfacePhotMom, |
---|
922 | HpdQuartzWTSurfaceEfficiency, |
---|
923 | static_cast<int>(NumPhotonHpdQuartzWTSurfaceWaveLengthBins)); |
---|
924 | |
---|
925 | OpHpdQuartzWTSurface-> |
---|
926 | SetMaterialPropertiesTable(OpHpdQuartzWTSurfaceMPT); |
---|
927 | |
---|
928 | HpdTQuartzWSurface=OpHpdQuartzWTSurface; |
---|
929 | |
---|
930 | |
---|
931 | |
---|
932 | //Now for the surface between the Quartz Window and Ph cathode of the HPD |
---|
933 | |
---|
934 | G4OpticalSurface * OpHpdQuartzWPSurface = |
---|
935 | new G4OpticalSurface("HpdQuartzWPSurface"); |
---|
936 | OpHpdQuartzWPSurface->SetType(dielectric_dielectric); |
---|
937 | OpHpdQuartzWPSurface->SetFinish(polished); |
---|
938 | OpHpdQuartzWPSurface->SetModel(glisur); |
---|
939 | |
---|
940 | G4double NumPhotonHpdQuartzWPSurfaceWaveLengthBins=10; |
---|
941 | G4double HpdQuartzWPSurfaceReflectivity[]= |
---|
942 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
943 | |
---|
944 | |
---|
945 | G4double HpdQuartzWPSurfaceEfficiency[]= |
---|
946 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
947 | |
---|
948 | G4double HpdQuartzWPSurfacePhotMom[]= |
---|
949 | {1.0*eV,2.0*eV, 3.0*eV,4.0*eV,5.0*eV,6.0*eV,7.0*eV,8.0*eV, |
---|
950 | 9.0*eV,10.0*eV}; |
---|
951 | |
---|
952 | G4MaterialPropertiesTable* OpHpdQuartzWPSurfaceMPT = |
---|
953 | new G4MaterialPropertiesTable(); |
---|
954 | |
---|
955 | |
---|
956 | OpHpdQuartzWPSurfaceMPT->AddProperty("REFLECTIVITY", |
---|
957 | HpdQuartzWPSurfacePhotMom, |
---|
958 | HpdQuartzWPSurfaceReflectivity, |
---|
959 | static_cast<int>(NumPhotonHpdQuartzWPSurfaceWaveLengthBins)); |
---|
960 | OpHpdQuartzWPSurfaceMPT->AddProperty("EFFICIENCY", |
---|
961 | HpdQuartzWPSurfacePhotMom, |
---|
962 | HpdQuartzWPSurfaceEfficiency, |
---|
963 | static_cast<int>(NumPhotonHpdQuartzWPSurfaceWaveLengthBins)); |
---|
964 | |
---|
965 | OpHpdQuartzWPSurface-> |
---|
966 | SetMaterialPropertiesTable(OpHpdQuartzWPSurfaceMPT); |
---|
967 | |
---|
968 | HpdQuartzWPhCathodeSurface=OpHpdQuartzWPSurface; |
---|
969 | |
---|
970 | |
---|
971 | |
---|
972 | //Now for the skin surface of the PhCathode so that photons do |
---|
973 | // not come out of the Photocathode. |
---|
974 | // Changed to dielectric-dielectric so that photons DO come out |
---|
975 | // of the photocathode. SE 26-9-01. |
---|
976 | |
---|
977 | G4OpticalSurface * OpPhCathodeSurface = |
---|
978 | new G4OpticalSurface("PhCathodeSurface"); |
---|
979 | |
---|
980 | OpPhCathodeSurface->SetType(dielectric_dielectric); |
---|
981 | OpPhCathodeSurface->SetFinish(polished); |
---|
982 | OpPhCathodeSurface->SetModel(glisur); |
---|
983 | |
---|
984 | |
---|
985 | G4double NumPhotonPhCathodeSurfaceWaveLengthBins=10; |
---|
986 | G4double PhCathodeSurfaceReflectivity[]= |
---|
987 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
988 | |
---|
989 | |
---|
990 | G4double PhCathodeSurfaceEfficiency[]= |
---|
991 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
992 | |
---|
993 | G4double PhCathodeSurfacePhotMom[]= |
---|
994 | {1.0*eV,2.0*eV, 3.0*eV,4.0*eV,5.0*eV,6.0*eV,7.0*eV,8.0*eV, |
---|
995 | 9.0*eV,10.0*eV}; |
---|
996 | |
---|
997 | G4MaterialPropertiesTable* OpPhCathodeSurfaceMPT = |
---|
998 | new G4MaterialPropertiesTable(); |
---|
999 | |
---|
1000 | |
---|
1001 | OpPhCathodeSurfaceMPT->AddProperty("REFLECTIVITY", |
---|
1002 | PhCathodeSurfacePhotMom, |
---|
1003 | PhCathodeSurfaceReflectivity, |
---|
1004 | static_cast<int>(NumPhotonPhCathodeSurfaceWaveLengthBins)); |
---|
1005 | OpPhCathodeSurfaceMPT->AddProperty("EFFICIENCY", |
---|
1006 | PhCathodeSurfacePhotMom, |
---|
1007 | PhCathodeSurfaceEfficiency, |
---|
1008 | static_cast<int>(NumPhotonPhCathodeSurfaceWaveLengthBins)); |
---|
1009 | |
---|
1010 | OpPhCathodeSurface-> |
---|
1011 | SetMaterialPropertiesTable(OpPhCathodeSurfaceMPT); |
---|
1012 | |
---|
1013 | PhCathodeSkinSurface=OpPhCathodeSurface; |
---|
1014 | PhCathodeBorderSurface=OpPhCathodeSurface; |
---|
1015 | |
---|
1016 | |
---|
1017 | |
---|
1018 | |
---|
1019 | //Now for the surface between Interior of HPD and Silicon Coating. |
---|
1020 | |
---|
1021 | G4OpticalSurface * OpHpdSiCoatSurface = |
---|
1022 | new G4OpticalSurface("HpdSiCoatSurface"); |
---|
1023 | OpHpdSiCoatSurface->SetType(dielectric_metal); |
---|
1024 | OpHpdSiCoatSurface->SetFinish(polished); |
---|
1025 | OpHpdSiCoatSurface->SetModel(glisur); |
---|
1026 | |
---|
1027 | |
---|
1028 | G4double NumPhotonHpdSiCoatSurfaceWaveLengthBins=10; |
---|
1029 | |
---|
1030 | G4double HpdSiCoatSurfaceReflectivity[]= |
---|
1031 | {0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9,0.9}; |
---|
1032 | |
---|
1033 | G4double HpdSiCoatSurfaceEfficiency[]= |
---|
1034 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
1035 | |
---|
1036 | G4double HpdSiCoatSurfacePhotMom[]= |
---|
1037 | {1.0*eV,2.0*eV, 3.0*eV,4.0*eV,5.0*eV,6.0*eV,7.0*eV,8.0*eV, |
---|
1038 | 9.0*eV,10.0*eV}; |
---|
1039 | G4double HpdSiCoatSurfaceRefInd[]= |
---|
1040 | {1.4,1.4,1.4,1.4,1.4,1.4,1.4,1.4,1.4,1.4}; |
---|
1041 | |
---|
1042 | |
---|
1043 | G4MaterialPropertiesTable* OpHpdSiCoatSurfaceMPT = |
---|
1044 | new G4MaterialPropertiesTable(); |
---|
1045 | |
---|
1046 | |
---|
1047 | OpHpdSiCoatSurfaceMPT->AddProperty("REFLECTIVITY", |
---|
1048 | HpdSiCoatSurfacePhotMom, |
---|
1049 | HpdSiCoatSurfaceReflectivity, |
---|
1050 | static_cast<int>(NumPhotonHpdSiCoatSurfaceWaveLengthBins)); |
---|
1051 | OpHpdSiCoatSurfaceMPT->AddProperty("EFFICIENCY", |
---|
1052 | HpdSiCoatSurfacePhotMom, |
---|
1053 | HpdSiCoatSurfaceEfficiency, |
---|
1054 | static_cast<int>(NumPhotonHpdSiCoatSurfaceWaveLengthBins)); |
---|
1055 | OpHpdSiCoatSurfaceMPT->AddProperty("RINDEX", |
---|
1056 | HpdSiCoatSurfacePhotMom, |
---|
1057 | HpdSiCoatSurfaceRefInd, |
---|
1058 | static_cast<int>(NumPhotonHpdSiCoatSurfaceWaveLengthBins)); |
---|
1059 | |
---|
1060 | OpHpdSiCoatSurface-> |
---|
1061 | SetMaterialPropertiesTable(OpHpdSiCoatSurfaceMPT); |
---|
1062 | |
---|
1063 | HpdSiCoatSurface=OpHpdSiCoatSurface; |
---|
1064 | |
---|
1065 | |
---|
1066 | |
---|
1067 | // Now for the Surface of the MetalTube of HPD. |
---|
1068 | |
---|
1069 | |
---|
1070 | G4OpticalSurface * OpRichTbHpdMetalSurface = |
---|
1071 | new G4OpticalSurface("RichTbHpdMetalSurface"); |
---|
1072 | OpRichTbHpdMetalSurface->SetType(dielectric_metal); |
---|
1073 | OpRichTbHpdMetalSurface->SetFinish(polished); |
---|
1074 | OpRichTbHpdMetalSurface->SetModel(glisur); |
---|
1075 | |
---|
1076 | G4double NumPhotonHpdMetalSurfaceWaveLengthBins=10; |
---|
1077 | G4double RichHpdMetalSurfaceReflectivity[]= |
---|
1078 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
1079 | |
---|
1080 | G4double RichHpdMetalSurfaceEfficiency[]= |
---|
1081 | {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}; |
---|
1082 | G4double RichHpdMetalSurfacePhotMom[]= |
---|
1083 | {1.0*eV,2.0*eV, 3.0*eV,4.0*eV,5.0*eV,6.0*eV,7.0*eV,8.0*eV, |
---|
1084 | 9.0*eV,10.0*eV}; |
---|
1085 | |
---|
1086 | G4MaterialPropertiesTable* OpRichTbHpdMetalSurfaceMPT = |
---|
1087 | new G4MaterialPropertiesTable(); |
---|
1088 | |
---|
1089 | OpRichTbHpdMetalSurfaceMPT->AddProperty("REFLECTIVITY", |
---|
1090 | RichHpdMetalSurfacePhotMom, |
---|
1091 | RichHpdMetalSurfaceReflectivity, |
---|
1092 | static_cast<int>(NumPhotonHpdMetalSurfaceWaveLengthBins)); |
---|
1093 | OpRichTbHpdMetalSurfaceMPT->AddProperty("EFFICIENCY", |
---|
1094 | RichHpdMetalSurfacePhotMom, |
---|
1095 | RichHpdMetalSurfaceEfficiency, |
---|
1096 | static_cast<int>(NumPhotonHpdMetalSurfaceWaveLengthBins)); |
---|
1097 | |
---|
1098 | OpRichTbHpdMetalSurface-> |
---|
1099 | SetMaterialPropertiesTable(OpRichTbHpdMetalSurfaceMPT); |
---|
1100 | |
---|
1101 | RichTbOpticalHpdMetalSurface=OpRichTbHpdMetalSurface; |
---|
1102 | |
---|
1103 | |
---|
1104 | //Now for the surface of the Filter |
---|
1105 | |
---|
1106 | G4OpticalSurface * OpRichTbFilterSurface = |
---|
1107 | new G4OpticalSurface("RichTbFilterSurface"); |
---|
1108 | OpRichTbFilterSurface->SetType(dielectric_dielectric); |
---|
1109 | OpRichTbFilterSurface->SetFinish(polished); |
---|
1110 | OpRichTbFilterSurface->SetModel(glisur); |
---|
1111 | |
---|
1112 | |
---|
1113 | |
---|
1114 | if(filterNumberThisRun >= 0 ) { |
---|
1115 | |
---|
1116 | G4int FilterNumbins=NumPhotonRichTbFilterSurfaceWaveLengthBins; |
---|
1117 | |
---|
1118 | |
---|
1119 | G4double* FilterReflectivity = new G4double(FilterNumbins); |
---|
1120 | G4double* FilterEff =new G4double(FilterNumbins); |
---|
1121 | G4double* FilterPhotMom =new G4double(FilterNumbins); |
---|
1122 | |
---|
1123 | |
---|
1124 | for(G4int ibinf =0 ; ibinf < FilterNumbins; ibinf++ ){ |
---|
1125 | FilterReflectivity[ibinf]= RichTbFilterSurfaceReflectivity[ibinf]; |
---|
1126 | FilterEff[ibinf]= RichTbFilterSurfaceEfficiency[ibinf]; |
---|
1127 | FilterPhotMom[ibinf]= RichTbFilterSurfacePhotMom[ibinf]; |
---|
1128 | |
---|
1129 | // G4MaterialPropertiesTable* OpRichTbFilterSurfaceMPT = |
---|
1130 | // new G4MaterialPropertiesTable(); |
---|
1131 | |
---|
1132 | } |
---|
1133 | RichTbOpticalFilterSurface=OpRichTbFilterSurface; |
---|
1134 | |
---|
1135 | } |
---|
1136 | |
---|
1137 | delete [] PhotonMomentum; |
---|
1138 | delete [] AirAbsorpLength; |
---|
1139 | delete [] AirRindex; |
---|
1140 | delete [] MirrorQuartzRindex; |
---|
1141 | delete [] MirrorQuartzAbsorpLength; |
---|
1142 | delete [] WindowQuartzRindex; |
---|
1143 | delete [] WindowQuartzAbsorpLength; |
---|
1144 | delete [] AluminiumAbsorpLength; |
---|
1145 | delete [] KovarAbsorpLength; |
---|
1146 | delete [] PhotonMomentumRefl; |
---|
1147 | |
---|
1148 | |
---|
1149 | } |
---|
1150 | G4double RichTbMaterial::ConvertAgelRIndex(G4double phmom, G4int AgelTnum ) { |
---|
1151 | AerogelRefData* AgData= rConfig -> GetAerogelRefdata(); |
---|
1152 | //Now to convert and interpolate to get the same binning |
---|
1153 | // as the other property vectors. |
---|
1154 | G4double Refind=0.; |
---|
1155 | G4int Numphbin=AgData-> GetNumberOfRefIndBins(); |
---|
1156 | G4double phm1,phm2; |
---|
1157 | if(phmom < AgData->GetAerogelRefphotE(0) ){ |
---|
1158 | Refind=AgData->GetCurAerogelRefIndValue(0,AgelTnum ); } |
---|
1159 | if(phmom >= AgData->GetAerogelRefphotE(Numphbin-1 ) ) { |
---|
1160 | Refind=AgData->GetCurAerogelRefIndValue(Numphbin-1,AgelTnum ); } |
---|
1161 | |
---|
1162 | for( G4int iba=0; iba<Numphbin-1 ; iba ++ ) { |
---|
1163 | |
---|
1164 | phm1=AgData->GetAerogelRefphotE(iba); |
---|
1165 | phm2=AgData->GetAerogelRefphotE(iba+1); |
---|
1166 | |
---|
1167 | if(phmom >= phm1 && phmom < phm2 ) { |
---|
1168 | |
---|
1169 | G4double ref1=AgData->GetCurAerogelRefIndValue(iba,AgelTnum ); |
---|
1170 | G4double ref2=AgData->GetCurAerogelRefIndValue(iba+1,AgelTnum ); |
---|
1171 | |
---|
1172 | G4double grad = (ref2-ref1)/(phm2-phm1); |
---|
1173 | G4double aint = ref1- grad*phm1; |
---|
1174 | Refind = grad*phmom + aint ; |
---|
1175 | break; |
---|
1176 | } |
---|
1177 | } |
---|
1178 | |
---|
1179 | return Refind; |
---|
1180 | } |
---|
1181 | RichTbMaterial::RichTbMaterial() { ; } |
---|
1182 | RichTbMaterial::~RichTbMaterial(){ ; } |
---|
1183 | |
---|
1184 | |
---|
1185 | |
---|